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Stainless Steel Gate Valve

Stainless Steel Gate Valve Manufacturer

MVS Valves’ Stainless Steel Gate Valve is engineered to deliver high-integrity shut-off performance across a wide range of fluid control applications, including water, steam, oil, and chemical services. Manufactured as per ASME and API standards, including API 600 and API 603, these valves offer unmatched corrosion resistance and flow efficiency. Built using materials such as CF8, CF8M, 316 Stainless Steel, and duplex grades, they are available with bolted bonnet or pressure-seal configurations and feature rising stem (OS&Y) operation with flexible wedge or solid wedge designs.

We offer advanced valve configurations like the API 603 Corrosion Resistant Stainless Steel Gate Valve and API 600 Stainless Steel Gate Valve Flanged Ends Class 300, providing a reliable sealing mechanism under varying temperature and pressure conditions. Our corrosion-resistant variants such as API 603 150# CF8M Stainless Steel OS&Y Gate Valve and API 603 Stainless Steel Corrosion-Resistant Gate Valves are ideal for aggressive environments and critical fluid isolation where chemical resistance is a priority.

MVS also manufactures Super Duplex F53 F55 5A 6A Gate Valves Flanged Ends for extreme durability and pressure containment, while our ASTM A 351 GR. CN7M Alloy 20 Bolted Bonnet Rising Stem Gate Valves are widely used in corrosive chemical processes. Designed to withstand Class 150 to Class 600 pressure ratings, these valves are tested according to API 598 standards for leak-tight performance.

For municipal and utility applications, we offer Ductile Iron Flanged Gate Valve Bronze Trim Class 150, Ductile Iron Flanged Gate Valve Stainless Steel Trim Class 150, and Ductile Iron Flanged Gate Valve Aluminium Bronze Trim Class 150, each optimized for long service life and resistance to scaling or wear. Our product range also covers API 600 Cast Carbon Steel Gate Valve Flanged Ends Class 150, ensuring a complete solution for both stainless and carbon steel system requirements.

Precision-engineered Flexible Wedge Outside Screw and Yoke Bolted Bonnet API 600 Gate Valves are part of our standard supply, designed for low-pressure drop and effective sealing in full open or closed positions. Whether it’s a Cast Steel Gate Valve or a specialized duplex model like the API 600 Duplex Steel Gate Valve Flanged End Class 600, every valve is crafted with meticulous attention to quality and performance.

Specification

Specification Details
Valve TypeStainless Steel Gate Valve (Rising-stem OS&Y)
Size Range½″ – 24″ (DN 15 – DN 600)
Pressure ClassClass 150–600 (ASME B16.34/B16.5)
Standards ComplianceAPI 600 / API 603 design; ASME B16.34, B16.10, B16.5; API 598 testing
Face-to-FaceASME B16.10 dimensions
End ConnectionsFlanged (RF/RTJ)
Shrink FeatureFlexible-wedge design option
Packing / BonnetGraphite/PTFE; bolted bonnet
Operating MediaWater, steam, oil, chemicals
Temperature RangeTypically –29 °C to +425 °C (material-dependent)

Material of Construction

Body & Bonnet Cast CF8/CF8M stainless (A351); Duplex stainless CF3M, Super Duplex, 904L
Wedge/Seat Stainless Steel (CF8/CF8M) Flexible-wedge (carbon steel core)
Stem 316SS (rising stem) Alloyed SS or duplex
Seat Insert Metal-to-metal PTFE, rubber lining (Viton/EPDM)
Packing Graphite gland packing PTFE or fire-safe materials
Bolting Stainless steel studs/nuts Alloy or Inconel bolting

Application Industries

oil-gas-industry
Crude Oil & Natural Gas Industry
chemical-processing
Chemical & Petrochemical Industry
water-treatment-filtration-industry
Water & Wastewater Treatment
power-generation-industry
Nuclear & Thermal Power Generation
food-and-beverage-industry
Food & Beverage Industry
pharmaceutical-industry
Pharmaceutical & Biotechnology
pulp-and-paper-industry
Pulp & Paper Industry
mining-mineral-industry
Mining & Mineral Processing
marine-shipbuilding-insutry
Marine & Shipbuilding
hvac-building-services
HVAC & Building Services
automotive-paint-chemical-manufacturing
Automotive & Paint Chemical Manufacturing
environmental-bio-gas-renewable-energy
Environmental & Bio Gas Renewable Energy
steel-metal-processing
Steel & Metal Processing
fertilizer-plants-polymer-production
Fertilizer Plants, Polymer Production
cosmetics-personal-care
Cosmetics & Personal Care
cement-construction
Cement & Construction
chlor-alkali-industry
Chlor-Alkali Industry
mineral-acids-industry
Mineral Acids Industry

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